A.P. Kiyota conducted soil erosion survey around the Moai statues in Rapa Nui (Easter Island) January 30, 2017 Last updated : September 30, 2022 gdmadmin 清田准教授がラパヌイ(イースター島)でモアイ像周辺の地盤浸食調査を実施 OLYMPUS DIGITAL CAMERA